• county
  • FIPS 51153
  • Largest town: Dumfries

Prince William County, Virginia

Prince William County had 497,003 residents in the Census Vintage 2024 estimate, on 335.3 square miles of land. It ranks 2nd of 133 in Virginia by population and 58th by land area.

Population
497,003
#2 of 133 in Virginia · #150 in US
Area
335.3 sq mi
#58 of 133 in Virginia · #2,726 in US
Density
1,482 / sq mi
#28 of 133 in Virginia · #109 in US
Median household income
$128,758
#6 of 133 in Virginia · #21 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Prince William County within Virginia. Pin: Richmond.

Measure from here

Tools and pages that start from Prince William County

Prince William County population, land area and income

Prince William County had 497,003 residents in the Census Vintage 2024 estimate, on 335.3 square miles of land. It ranks 2nd of 133 in Virginia by population and 58th by land area. That works out to 1,482.4 people per square mile, 15.4 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in Virginia has 27,800 residents, so Prince William County is 17.9 times that size.

Its SAIPE 2023 median household income of $128,758 is in the top tenth among 3,143 counties with an estimate.

National rank among 3,144

Population

497,003

3144th1st

150th of 3,144 (US)

Land area

335 sq mi

3144th1st

2726th of 3,144 (US)

Density

1,482.4 / sq mi

3144th1st

109th of 3,144 (US)

Median household income

$128,758

3143rd1st

21st of 3,143 (US)

Rank within Virginia (133)

Population

497,003

133rd1st

2nd of 133 (VA)

Land area

335 sq mi

133rd1st

58th of 133 (VA)

Density

1,482.4 / sq mi

133rd1st

28th of 133 (VA)

Median household income

$128,758

133rd1st

6th of 133 (VA)

How Prince William County's population changed since 2020

Prince William County gained 14,140 residents between the July 2020 and July 2024 estimates, a rise of 2.9%. That ranks 44th of 133 in Virginia for growth. The median Virginia county changed by +1.3%, and the state as a whole by +2.0%.

Since the April 2020 estimates base, Prince William County recorded 26,587 births and 10,698 deaths, a natural change of +15,889. Net international migration added +14,724 and net domestic migration, people moving to or from other US counties, came to -16,413. The largest single component was domestic migration, which removed 16,413 people.

482.9k2020485.4k2021487.5k2022491.6k2023497.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
26,587
Deaths
10,698
Net international migration
+14,724
Net domestic migration
-16,413
Change, July 2023 to July 2024
+5,425

Where Prince William County is

The Census internal point of Prince William County is at 38.701100, -77.479600. It sits in UTM zone 18N. The map shades Virginia's 133 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Prince William County outlined. Dots are towns of 1,000+ people with residents in it.

Martinsville city: +2.7%Norton city: -5.5%Charlottesville city: -3.6%Winchester city: -0.7%Bristol city: -5.7%Manassas Park city: -3.2%Fluvanna County: +5.3%Clarke County: +5.3%Lunenburg County: +0.9%Colonial Heights city: +2.8%Franklin city: +2.8%Lexington city: +6.7%Petersburg city: +2.0%Suffolk city: +8.8%Emporia city: -5.1%Middlesex County: +3.2%Fairfax city: +8.9%Fredericksburg city: +7.1%Floyd County: +1.2%Radford city: +7.2%Waynesboro city: +5.5%Hopewell city: -0.2%Staunton city: +2.1%Buena Vista city: -0.6%Covington city: -1.4%Poquoson city: +3.1%Madison County: +2.8%Falls Church city: +2.4%Franklin County: +2.1%Mecklenburg County: +1.8%Smyth County: -2.2%Pittsylvania County: -1.6%Frederick County: +6.7%Russell County: -1.3%Nottoway County: -0.1%Scott County: -0.9%Mathews County: +1.0%Stafford County: +7.1%Goochland County: +13.5%Henrico County: +1.1%Caroline County: +8.2%Prince George County: +1.2%Prince William County: +2.9%Cumberland County: +4.0%Essex County: +0.8%Fairfax County: +1.1%Henry County: -2.9%Carroll County: +0.3%Grayson County: -0.1%Louisa County: +11.4%James City County: +5.5%Albemarle County: +4.2%Lynchburg city: +1.7%King William County: +7.3%Charles City County: -2.7%Northumberland County: +4.7%Alexandria city: -0.0%Salem city: +2.0%Galax city: +0.3%Isle of Wight County: +5.8%Newport News city: -1.6%Tazewell County: -3.8%Amherst County: +1.1%Manassas city: +2.2%Buckingham County: +1.7%Shenandoah County: +2.7%Richmond city: +3.0%Alleghany County: -3.7%Culpeper County: +6.4%Warren County: +4.1%Northampton County: -1.7%Southampton County: -0.1%Portsmouth city: -1.5%Rockingham County: +4.6%Orange County: +7.1%Sussex County: -0.4%Bland County: -1.1%Chesapeake city: +2.1%Harrisonburg city: -1.0%Powhatan County: +6.4%Virginia Beach city: -1.1%Dinwiddie County: +2.5%Campbell County: -0.5%Gloucester County: +3.7%Greene County: +5.5%Page County: -0.0%Halifax County: -1.4%Hanover County: +4.6%Buchanan County: -8.0%Highland County: +4.8%Surry County: +0.4%Westmoreland County: +3.9%Wythe County: -0.8%Greensville County: -2.2%Roanoke city: -2.0%Loudoun County: +4.9%Spotsylvania County: +8.1%Brunswick County: -0.5%King George County: +7.4%Bedford County: +3.3%Patrick County: -1.6%Lancaster County: +1.4%Nelson County: +0.2%Montgomery County: -0.6%Amelia County: +3.4%York County: +1.7%Norfolk city: -2.8%Williamsburg city: +3.6%Bath County: -2.8%Accomack County: +0.0%Washington County: +0.4%Pulaski County: -0.7%Rockbridge County: -1.3%Roanoke County: +0.4%Wise County: -3.0%Fauquier County: +3.9%Craig County: -1.0%Charlotte County: -2.4%Richmond County: +3.3%Lee County: -1.5%Chesterfield County: +6.7%Danville city: -1.4%King and Queen County: +2.4%Prince Edward County: +1.7%Hampton city: +0.2%Appomattox County: +4.9%Botetourt County: +1.5%Arlington County: +0.4%Rappahannock County: +2.1%New Kent County: +17.7%Augusta County: +1.3%Giles County: -1.5%Dickenson County: -4.7%
Change 2020 to 2024
  1. < -1.4%
  2. < +0.3%
  3. < +2.1%
  4. < +4.7%
  5. ≥ +4.7%
no data

Orange pin: Prince William County internal point. Dark pin: Richmond.

Internal point

Decimal
38.701100, -77.479600
DMS
38°42'3.96"N 77°28'46.56"W
UTM
18N 284371.8E 4286526.6N
Geohash
dqbuhvm44
Plus code
87C4PG2C+C5

Towns in Prince William County

3 incorporated places of 1,000+ people have residents in Prince William County, 8,635 people together, or 2% of the county. Each figure counts only the part of the town inside Prince William County; towns marked "part" extend into another county. The largest is Dumfries with 5,978.

  1. 01Dumfries5,978
  2. 02Haymarket1,594
  3. 03Occoquan1,063
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Prince William County

The Census 2024 county adjacency file lists 7 neighbors for Prince William County, including 1 across a state line. The most populous is Fairfax County, VA, with 1,160,925 residents. Distances run between Census internal points in a straight line.

Distance to Richmond and the nearest big city

Richmond is 80.3 miles S of Prince William County's internal point in a straight line. The nearest place of 100,000 or more is Alexandria, VA (population 159,102), 22.9 miles away. The nearest place of 10,000 or more is Manassas, VA (population 43,616), 3.2 miles away.

Prince William County FIPS code

The FIPS code of Prince William County is 51153: state code 51 for Virginia plus county code 153. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $128,758.

Questions people ask

What is the population of Prince William County, Virginia?

The Census Vintage 2024 estimate for July 1, 2024 is 497,003. That is up 14,140 people (2.9%) from the July 2020 estimate of 482,863.

What is the FIPS code of Prince William County?

51153. The first two digits (51) are Virginia; the last three (153) identify the county.

What is the largest town in Prince William County?

Dumfries, with 5,978 residents inside Prince William County in 2024.

Which counties border Prince William County?

7 county-equivalents border it in the Census 2024 adjacency file: Fairfax County, VA; Loudoun County, VA; Charles County, MD; Stafford County, VA; Fauquier County, VA; Manassas city, VA; Manassas Park city, VA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.